A vector pointing along the fluid velocity and absolute value of the mass flux:
{ \bf j_m} = j_m \ {\bf n} |
where
It can be also expressed as:
{\bf j_m} = \rho \ {\bf u} |
where
Natural Science / Physics / Mechanics / Continuum mechanics / Fluid Mechanics
[ Mass Flowrate ] [ Volumetric Flowrate ] [ Mass Flux ]